cubic
Demantoid
Ca3Fe2(SiO4)3:Cr
Quick Facts
Hardness
6.5
Specific Gravity
3.82
Refractive Index
1.888
Crystal Structure
cubic[m3m]:{211}@1.0 + {110}@0.7 cubic
m3m
{211} {110}
Physical Properties
Crystal Systemcubic
Hardness (Mohs)6.5
Specific Gravity3.82
CleavageNone
FractureConchoidal to uneven
LustreAdamantine to vitreous
Optical Properties
Refractive Index1.888
PleochroismNone (isotropic)
Dispersion0.057
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